./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87504a1abfe2d10f353d562b38ba2c6a9363e65c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:54:20,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:54:20,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:54:20,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:54:20,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:54:20,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:54:20,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:54:20,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:54:20,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:54:20,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:54:20,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:54:20,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:54:20,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:54:20,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:54:20,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:54:20,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:54:20,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:54:20,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:54:20,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:54:20,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:54:20,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:54:20,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:54:20,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:54:20,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:54:20,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:54:20,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:54:20,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:54:20,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:54:20,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:54:20,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:54:20,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:54:20,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:54:20,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:54:20,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:54:20,341 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:54:20,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:54:20,342 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:54:20,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:54:20,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:54:20,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:54:20,357 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:54:20,357 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:54:20,357 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:54:20,357 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:54:20,358 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:54:20,358 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:54:20,358 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:54:20,358 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:54:20,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:54:20,360 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:54:20,360 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:54:20,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:54:20,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:54:20,362 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:54:20,362 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:54:20,362 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:54:20,362 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:54:20,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:54:20,362 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:54:20,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:54:20,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:54:20,363 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:54:20,363 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:54:20,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:54:20,363 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:54:20,364 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2018-10-26 19:54:20,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:54:20,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:54:20,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:54:20,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:54:20,413 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:54:20,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-10-26 19:54:20,479 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/data/2b6a5cfe5/1f3ae68131e24d13a036d756caf1be6e/FLAGd090b3cde [2018-10-26 19:54:20,917 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:54:20,917 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-10-26 19:54:20,934 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/data/2b6a5cfe5/1f3ae68131e24d13a036d756caf1be6e/FLAGd090b3cde [2018-10-26 19:54:20,947 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/data/2b6a5cfe5/1f3ae68131e24d13a036d756caf1be6e [2018-10-26 19:54:20,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:54:20,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:54:20,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:54:20,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:54:20,955 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:54:20,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:54:20" (1/1) ... [2018-10-26 19:54:20,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf195d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:20, skipping insertion in model container [2018-10-26 19:54:20,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:54:20" (1/1) ... [2018-10-26 19:54:20,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:54:21,025 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:54:21,270 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:54:21,280 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:54:21,373 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:54:21,409 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:54:21,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21 WrapperNode [2018-10-26 19:54:21,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:54:21,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:54:21,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:54:21,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:54:21,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:54:21,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:54:21,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:54:21,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:54:21,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... [2018-10-26 19:54:21,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:54:21,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:54:21,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:54:21,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:54:21,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:54:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 19:54:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 19:54:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-10-26 19:54:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-10-26 19:54:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:54:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:54:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 19:54:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 19:54:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 19:54:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 19:54:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 19:54:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 19:54:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 19:54:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 19:54:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 19:54:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 19:54:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 19:54:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 19:54:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 19:54:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 19:54:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 19:54:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 19:54:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 19:54:21,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 19:54:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 19:54:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 19:54:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 19:54:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 19:54:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 19:54:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 19:54:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 19:54:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 19:54:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 19:54:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 19:54:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 19:54:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 19:54:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 19:54:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 19:54:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 19:54:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 19:54:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 19:54:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 19:54:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 19:54:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 19:54:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 19:54:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 19:54:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:54:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:54:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 19:54:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 19:54:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:54:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:54:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 19:54:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 19:54:22,767 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:54:22,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:54:22 BoogieIcfgContainer [2018-10-26 19:54:22,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:54:22,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:54:22,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:54:22,772 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:54:22,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:54:20" (1/3) ... [2018-10-26 19:54:22,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc55d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:54:22, skipping insertion in model container [2018-10-26 19:54:22,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:54:21" (2/3) ... [2018-10-26 19:54:22,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc55d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:54:22, skipping insertion in model container [2018-10-26 19:54:22,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:54:22" (3/3) ... [2018-10-26 19:54:22,777 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-10-26 19:54:22,787 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:54:22,795 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:54:22,812 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:54:22,845 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:54:22,845 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:54:22,845 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:54:22,845 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:54:22,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:54:22,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:54:22,847 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:54:22,847 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:54:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-10-26 19:54:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 19:54:22,877 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:22,878 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:22,882 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:22,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:22,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1258426852, now seen corresponding path program 1 times [2018-10-26 19:54:22,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:54:22,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:22,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:22,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:22,941 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:54:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:54:23,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:23,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:54:23,163 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:54:23,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:54:23,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:54:23,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:54:23,182 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-10-26 19:54:23,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:23,228 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-10-26 19:54:23,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:54:23,230 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 19:54:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:23,244 INFO L225 Difference]: With dead ends: 260 [2018-10-26 19:54:23,244 INFO L226 Difference]: Without dead ends: 130 [2018-10-26 19:54:23,248 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:54:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-26 19:54:23,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-10-26 19:54:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-26 19:54:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-10-26 19:54:23,312 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 46 [2018-10-26 19:54:23,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:23,312 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-10-26 19:54:23,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:54:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-10-26 19:54:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 19:54:23,320 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:23,320 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:23,321 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:23,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:23,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1149506581, now seen corresponding path program 1 times [2018-10-26 19:54:23,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:54:23,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:23,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:23,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:23,322 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:54:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:54:23,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:23,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:54:23,458 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:54:23,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:54:23,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:54:23,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:54:23,461 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-10-26 19:54:23,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:23,490 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2018-10-26 19:54:23,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:54:23,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 19:54:23,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:23,493 INFO L225 Difference]: With dead ends: 201 [2018-10-26 19:54:23,493 INFO L226 Difference]: Without dead ends: 120 [2018-10-26 19:54:23,494 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:54:23,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-26 19:54:23,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-10-26 19:54:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-26 19:54:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-10-26 19:54:23,509 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 48 [2018-10-26 19:54:23,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:23,510 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-10-26 19:54:23,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:54:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-10-26 19:54:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 19:54:23,511 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:23,512 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:23,512 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:23,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:23,512 INFO L82 PathProgramCache]: Analyzing trace with hash -521842167, now seen corresponding path program 1 times [2018-10-26 19:54:23,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:54:23,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:23,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:23,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:23,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:54:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:54:23,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:23,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:54:23,721 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:54:23,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:54:23,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:54:23,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:54:23,722 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-10-26 19:54:25,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:25,232 INFO L93 Difference]: Finished difference Result 363 states and 439 transitions. [2018-10-26 19:54:25,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:54:25,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 19:54:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:25,237 INFO L225 Difference]: With dead ends: 363 [2018-10-26 19:54:25,237 INFO L226 Difference]: Without dead ends: 267 [2018-10-26 19:54:25,238 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:54:25,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-10-26 19:54:25,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2018-10-26 19:54:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-10-26 19:54:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 313 transitions. [2018-10-26 19:54:25,296 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 313 transitions. Word has length 52 [2018-10-26 19:54:25,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:25,296 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 313 transitions. [2018-10-26 19:54:25,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:54:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 313 transitions. [2018-10-26 19:54:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 19:54:25,300 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:25,300 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:25,300 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:25,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:25,301 INFO L82 PathProgramCache]: Analyzing trace with hash -519900627, now seen corresponding path program 1 times [2018-10-26 19:54:25,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:54:25,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:25,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:25,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:25,303 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:54:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:54:25,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:25,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 19:54:25,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:54:25,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 19:54:25,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 19:54:25,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:54:25,638 INFO L87 Difference]: Start difference. First operand 259 states and 313 transitions. Second operand 10 states. [2018-10-26 19:54:26,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:26,695 INFO L93 Difference]: Finished difference Result 916 states and 1171 transitions. [2018-10-26 19:54:26,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 19:54:26,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-10-26 19:54:26,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:26,711 INFO L225 Difference]: With dead ends: 916 [2018-10-26 19:54:26,713 INFO L226 Difference]: Without dead ends: 681 [2018-10-26 19:54:26,715 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-10-26 19:54:26,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-10-26 19:54:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-10-26 19:54:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-10-26 19:54:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 829 transitions. [2018-10-26 19:54:26,788 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 829 transitions. Word has length 58 [2018-10-26 19:54:26,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:26,789 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 829 transitions. [2018-10-26 19:54:26,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 19:54:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-10-26 19:54:26,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 19:54:26,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:26,793 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:26,794 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:26,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:26,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1866619315, now seen corresponding path program 1 times [2018-10-26 19:54:26,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:54:26,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:26,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:26,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:26,796 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:54:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:54:26,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:26,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:54:26,885 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:54:26,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:54:26,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:54:26,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:54:26,886 INFO L87 Difference]: Start difference. First operand 669 states and 829 transitions. Second operand 3 states. [2018-10-26 19:54:26,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:26,948 INFO L93 Difference]: Finished difference Result 1080 states and 1378 transitions. [2018-10-26 19:54:26,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:54:26,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-10-26 19:54:26,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:26,955 INFO L225 Difference]: With dead ends: 1080 [2018-10-26 19:54:26,956 INFO L226 Difference]: Without dead ends: 435 [2018-10-26 19:54:26,962 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:54:26,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-10-26 19:54:26,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 423. [2018-10-26 19:54:26,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-10-26 19:54:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 485 transitions. [2018-10-26 19:54:26,994 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 485 transitions. Word has length 62 [2018-10-26 19:54:26,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:26,995 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 485 transitions. [2018-10-26 19:54:26,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:54:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 485 transitions. [2018-10-26 19:54:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 19:54:27,001 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:27,008 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:27,009 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:27,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:27,010 INFO L82 PathProgramCache]: Analyzing trace with hash -739075666, now seen corresponding path program 1 times [2018-10-26 19:54:27,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:54:27,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:27,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:27,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:27,011 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:54:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:54:27,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:54:27,126 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:54:27,126 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-10-26 19:54:27,128 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [88], [92], [98], [102], [106], [109], [114], [120], [122], [125], [127], [130], [143], [144], [145], [146], [161], [168], [171], [209], [212], [216], [217], [239], [240], [241], [242], [243], [245], [246], [247], [248], [249], [250], [251], [252], [253], [259], [271], [272], [275], [276], [277], [278], [285], [286], [291], [292], [293] [2018-10-26 19:54:27,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 19:54:27,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 19:54:38,019 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 19:54:38,020 INFO L272 AbstractInterpreter]: Visited 60 different actions 124 times. Merged at 14 different actions 21 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-10-26 19:54:38,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:38,039 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 19:54:49,481 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 97.6% of their original sizes. [2018-10-26 19:54:49,481 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 19:54:50,631 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-10-26 19:54:50,631 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 19:54:50,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:54:50,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [29] imperfect sequences [7] total 34 [2018-10-26 19:54:50,632 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:54:50,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-26 19:54:50,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-26 19:54:50,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2018-10-26 19:54:50,633 INFO L87 Difference]: Start difference. First operand 423 states and 485 transitions. Second operand 29 states. [2018-10-26 19:55:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:22,386 INFO L93 Difference]: Finished difference Result 625 states and 747 transitions. [2018-10-26 19:55:22,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-26 19:55:22,386 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-10-26 19:55:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:22,387 INFO L225 Difference]: With dead ends: 625 [2018-10-26 19:55:22,387 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:55:22,389 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=367, Invalid=2285, Unknown=0, NotChecked=0, Total=2652 [2018-10-26 19:55:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:55:22,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:55:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:55:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:55:22,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-10-26 19:55:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:22,390 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:55:22,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-26 19:55:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:55:22,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:55:22,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:55:22,625 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2018-10-26 19:55:23,043 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2018-10-26 19:55:23,250 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 232 [2018-10-26 19:55:24,380 WARN L179 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2018-10-26 19:55:24,483 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 27 [2018-10-26 19:55:25,117 WARN L179 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 59 [2018-10-26 19:55:25,355 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2018-10-26 19:55:26,552 WARN L179 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 34 [2018-10-26 19:55:26,954 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 34 [2018-10-26 19:55:27,878 WARN L179 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 56 [2018-10-26 19:55:28,520 WARN L179 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 53 [2018-10-26 19:55:28,750 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 31 [2018-10-26 19:55:29,145 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 37 [2018-10-26 19:55:29,509 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 53 [2018-10-26 19:55:29,989 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2018-10-26 19:55:30,749 WARN L179 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 60 [2018-10-26 19:55:31,112 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 24 [2018-10-26 19:55:31,141 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2018-10-26 19:55:31,141 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2018-10-26 19:55:31,142 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2018-10-26 19:55:31,142 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2018-10-26 19:55:31,142 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 539 547) no Hoare annotation was computed. [2018-10-26 19:55:31,142 INFO L421 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (* 2 ~pumpRunning~0))) (let ((.cse1 (< 0 .cse0))) (and (or (< .cse0 0) (not (= ~waterLevel~0 1)) .cse1) (or (< (* 2 ~waterLevel~0) 4) .cse1 (< (+ ~pumpRunning~0 2) ~waterLevel~0))))) [2018-10-26 19:55:31,142 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2018-10-26 19:55:31,142 INFO L425 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-10-26 19:55:31,142 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (* 2 ~pumpRunning~0))) (let ((.cse1 (< 0 .cse0))) (and (or (< .cse0 0) (not (= ~waterLevel~0 1)) .cse1) (or (< (* 2 ~waterLevel~0) 4) .cse1 (< (+ ~pumpRunning~0 2) ~waterLevel~0))))) [2018-10-26 19:55:31,143 INFO L425 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-10-26 19:55:31,143 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-10-26 19:55:31,143 INFO L425 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2018-10-26 19:55:31,143 INFO L428 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-10-26 19:55:31,143 INFO L425 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-10-26 19:55:31,143 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2018-10-26 19:55:31,143 INFO L421 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= (* 2 main_~tmp~8) 2) (<= 2 (+ ~waterLevel~0 main_~tmp~8)) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,143 INFO L421 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= (* 2 main_~tmp~8) 2) (<= 2 (+ ~waterLevel~0 main_~tmp~8)) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,144 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,144 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-10-26 19:55:31,144 INFO L425 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2018-10-26 19:55:31,144 INFO L425 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-10-26 19:55:31,144 INFO L421 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,144 INFO L421 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,144 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2018-10-26 19:55:31,145 INFO L421 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,145 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2018-10-26 19:55:31,155 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2018-10-26 19:55:31,155 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (< 0 .cse1))) (and (or (< (* 2 ~waterLevel~0) 4) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (< .cse1 0) (not (= ~waterLevel~0 1)) .cse0)))) [2018-10-26 19:55:31,155 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: (let ((.cse1 (+ |old(~pumpRunning~0)| 2)) (.cse7 (* 2 |old(~pumpRunning~0)|)) (.cse4 (+ ~systemActive~0 ~waterLevel~0))) (let ((.cse0 (<= .cse4 2)) (.cse3 (+ ~waterLevel~0 |old(~systemActive~0)|)) (.cse5 (not (= ~waterLevel~0 1))) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (< 0 .cse7)) (.cse2 (< .cse1 ~waterLevel~0))) (and (or (and .cse0 (<= ~pumpRunning~0 ~systemActive~0)) (not (= |old(~systemActive~0)| 0)) (< ~waterLevel~0 .cse1) (< |old(~pumpRunning~0)| |old(~systemActive~0)|) (< 0 (+ |old(~pumpRunning~0)| |old(~systemActive~0)|)) .cse2) (or (< .cse3 2) (and (<= 2 .cse4) .cse0) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) .cse5 .cse6) (or (and (<= .cse4 3) (<= (+ ~pumpRunning~0 1) ~systemActive~0)) (< .cse3 3) (< ~waterLevel~0 (+ |old(~systemActive~0)| 1)) .cse6 .cse2) (or (< .cse7 0) .cse8 .cse5 .cse6) (or .cse8 (< (* 2 ~waterLevel~0) 4) .cse6 .cse2)))) [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2018-10-26 19:55:31,156 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2018-10-26 19:55:31,156 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2018-10-26 19:55:31,156 INFO L428 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-10-26 19:55:31,156 INFO L425 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2018-10-26 19:55:31,157 INFO L425 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2018-10-26 19:55:31,157 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2018-10-26 19:55:31,157 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2018-10-26 19:55:31,157 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2018-10-26 19:55:31,157 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,157 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2018-10-26 19:55:31,157 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2018-10-26 19:55:31,157 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2018-10-26 19:55:31,157 INFO L428 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2018-10-26 19:55:31,158 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2018-10-26 19:55:31,158 INFO L425 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2018-10-26 19:55:31,158 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2018-10-26 19:55:31,158 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2018-10-26 19:55:31,158 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2018-10-26 19:55:31,158 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2018-10-26 19:55:31,158 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse3)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse2 .cse1)))) [2018-10-26 19:55:31,158 INFO L425 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2018-10-26 19:55:31,158 INFO L421 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 19:55:31,159 INFO L421 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 19:55:31,159 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2018-10-26 19:55:31,159 INFO L425 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2018-10-26 19:55:31,171 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse3)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse2 .cse1)))) [2018-10-26 19:55:31,171 INFO L421 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 19:55:31,171 INFO L425 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-10-26 19:55:31,172 INFO L425 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2018-10-26 19:55:31,172 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2018-10-26 19:55:31,172 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2018-10-26 19:55:31,172 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 552 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,172 INFO L421 ceAbstractionStarter]: At program point L607(lines 562 609) the Hoare annotation is: (let ((.cse4 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse0 (<= ~waterLevel~0 (+ ~pumpRunning~0 1))) (.cse1 (<= 1 .cse4)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 1) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= .cse4 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse2 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (and .cse0 .cse1 (<= test_~tmp~3 (+ test_~splverifierCounter~0 2147483647)) (<= 0 (+ (* 2 test_~tmp~3) 4294967296)) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 19:55:31,172 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse2 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 (<= test_~tmp~3 (+ test_~splverifierCounter~0 2147483647)) (<= 0 (+ (* 2 test_~tmp~3) 4294967296)) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 19:55:31,172 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2018-10-26 19:55:31,172 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2018-10-26 19:55:31,173 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2018-10-26 19:55:31,173 INFO L425 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-10-26 19:55:31,173 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 562 609) no Hoare annotation was computed. [2018-10-26 19:55:31,173 INFO L421 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 19:55:31,173 INFO L421 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 0 (+ ~pumpRunning~0 test_~tmp___1~0 2147483648)) (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) .cse1 (<= (+ ~waterLevel~0 test_~tmp___1~0) 2147483649) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse2 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 (<= test_~tmp~3 (+ test_~splverifierCounter~0 2147483647)) (<= 0 (+ (* 2 test_~tmp~3) 4294967296)) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 19:55:31,173 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2018-10-26 19:55:31,173 INFO L421 ceAbstractionStarter]: At program point L598-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse2 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 (<= test_~tmp~3 (+ test_~splverifierCounter~0 2147483647)) (<= 0 (+ (* 2 test_~tmp~3) 4294967296)) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 19:55:31,173 INFO L425 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L421 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 .cse3) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 (<= test_~tmp~3 (+ test_~splverifierCounter~0 2147483647)) (<= 0 (+ (* 2 test_~tmp~3) 4294967296)) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:55:31,174 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:55:31,175 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:55:31,175 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2018-10-26 19:55:31,175 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2018-10-26 19:55:31,176 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2018-10-26 19:55:31,176 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2018-10-26 19:55:31,176 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-10-26 19:55:31,176 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-10-26 19:55:31,176 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-10-26 19:55:31,176 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-10-26 19:55:31,176 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-10-26 19:55:31,176 INFO L421 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse4 (* 2 |old(~pumpRunning~0)|))) (let ((.cse3 (< 0 .cse4)) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (< (* 2 |old(~waterLevel~0)|) 4) (and .cse0 (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (< .cse4 0) (not (= |old(~waterLevel~0)| 1)) .cse3 (and .cse0 (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse1 1) .cse2))))) [2018-10-26 19:55:31,177 INFO L421 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (< 0 .cse3))) (and (or (< (* 2 |old(~waterLevel~0)|) 4) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= 2 .cse0) .cse1) .cse2 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (< .cse3 0) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2)))) [2018-10-26 19:55:31,177 INFO L421 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (* 2 |old(~pumpRunning~0)|))) (let ((.cse1 (< 0 .cse0))) (and (or (< .cse0 0) (not (= |old(~waterLevel~0)| 1)) .cse1) (or (< (* 2 |old(~waterLevel~0)|) 4) .cse1 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))))) [2018-10-26 19:55:31,177 INFO L425 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2018-10-26 19:55:31,177 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (< 0 .cse3))) (and (or (< (* 2 |old(~waterLevel~0)|) 4) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= 2 .cse0) .cse1) .cse2 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (< .cse3 0) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2)))) [2018-10-26 19:55:31,177 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2018-10-26 19:55:31,177 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2018-10-26 19:55:31,177 INFO L425 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2018-10-26 19:55:31,177 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2018-10-26 19:55:31,177 INFO L425 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2018-10-26 19:55:31,177 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2018-10-26 19:55:31,178 INFO L425 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-10-26 19:55:31,178 INFO L428 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2018-10-26 19:55:31,178 INFO L425 ceAbstractionStarter]: For program point L854-1(lines 854 868) no Hoare annotation was computed. [2018-10-26 19:55:31,178 INFO L428 ceAbstractionStarter]: At program point L854-3(lines 854 868) the Hoare annotation is: true [2018-10-26 19:55:31,178 INFO L428 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2018-10-26 19:55:31,178 INFO L425 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2018-10-26 19:55:31,178 INFO L428 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2018-10-26 19:55:31,178 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-10-26 19:55:31,178 INFO L425 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-10-26 19:55:31,178 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-10-26 19:55:31,178 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:55:31,178 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-10-26 19:55:31,179 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:55:31,179 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:55:31,179 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2018-10-26 19:55:31,179 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2018-10-26 19:55:31,188 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-10-26 19:55:31,189 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-10-26 19:55:31,189 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (let ((.cse3 (* 2 ~pumpRunning~0))) (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< 0 .cse3))) (and (let ((.cse0 (+ ~pumpRunning~0 2))) (or (< (* 2 |old(~waterLevel~0)|) 4) (and (<= ~waterLevel~0 .cse0) (<= 2 .cse1)) .cse2 (< .cse0 |old(~waterLevel~0)|))) (or (< .cse3 0) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse1 1)) (not (= |old(~waterLevel~0)| 1)) .cse2)))) [2018-10-26 19:55:31,189 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 19:55:31,189 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-10-26 19:55:31,189 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-10-26 19:55:31,189 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-10-26 19:55:31,189 INFO L421 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 19:55:31,189 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2018-10-26 19:55:31,190 INFO L421 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 19:55:31,190 INFO L425 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-10-26 19:55:31,190 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse3)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse2 .cse1)))) [2018-10-26 19:55:31,190 INFO L421 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-10-26 19:55:31,190 INFO L425 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-10-26 19:55:31,190 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-10-26 19:55:31,190 INFO L421 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse3)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse2 .cse1)))) [2018-10-26 19:55:31,190 INFO L425 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-10-26 19:55:31,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:55:31 BoogieIcfgContainer [2018-10-26 19:55:31,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:55:31,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:55:31,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:55:31,217 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:55:31,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:54:22" (3/4) ... [2018-10-26 19:55:31,223 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:55:31,230 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 19:55:31,231 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 19:55:31,231 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-10-26 19:55:31,231 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 19:55:31,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 19:55:31,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 19:55:31,234 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 19:55:31,234 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 19:55:31,234 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 19:55:31,234 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 19:55:31,249 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 19:55:31,250 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 19:55:31,251 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 19:55:31,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((systemActive == 1 && waterLevel <= pumpRunning + 1) && 1 <= pumpRunning + waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((((((((0 <= tmp + splverifierCounter + 2147483648 && pumpRunning + waterLevel <= 2) && splverifierCounter + tmp___0 <= 2147483647) && tmp + splverifierCounter <= 2147483647) && 1 <= pumpRunning + waterLevel) && 0 <= pumpRunning + tmp___0 + 2147483648) && tmp___2 <= waterLevel + 2147483645) && pumpRunning == 0) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0)) || (((((waterLevel <= pumpRunning + 1 && 1 <= pumpRunning + waterLevel) && tmp <= splverifierCounter + 2147483647) && 0 <= 2 * tmp + 4294967296) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 19:55:31,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(systemActive) == 1) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 19:55:31,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_164fbd6b-1b45-4b62-b1d5-12fb7cce6229/bin-2019/utaipan/witness.graphml [2018-10-26 19:55:31,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:55:31,347 INFO L168 Benchmark]: Toolchain (without parser) took 70397.17 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 961.8 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-10-26 19:55:31,347 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:55:31,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.44 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:31,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 937.6 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:31,348 INFO L168 Benchmark]: Boogie Preprocessor took 45.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:31,352 INFO L168 Benchmark]: RCFGBuilder took 1166.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:31,352 INFO L168 Benchmark]: TraceAbstraction took 68448.83 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-10-26 19:55:31,353 INFO L168 Benchmark]: Witness Printer took 128.63 ms. Allocated memory is still 5.0 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:55:31,354 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.44 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 144.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 937.6 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1166.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68448.83 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 128.63 ms. Allocated memory is still 5.0 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((((((((systemActive == 1 && waterLevel <= pumpRunning + 1) && 1 <= pumpRunning + waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((((((((0 <= tmp + splverifierCounter + 2147483648 && pumpRunning + waterLevel <= 2) && splverifierCounter + tmp___0 <= 2147483647) && tmp + splverifierCounter <= 2147483647) && 1 <= pumpRunning + waterLevel) && 0 <= pumpRunning + tmp___0 + 2147483648) && tmp___2 <= waterLevel + 2147483645) && pumpRunning == 0) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0)) || (((((waterLevel <= pumpRunning + 1 && 1 <= pumpRunning + waterLevel) && tmp <= splverifierCounter + 2147483647) && 0 <= 2 * tmp + 4294967296) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 68.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 34.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 904 SDtfs, 1126 SDslu, 2949 SDs, 0 SdLazy, 1538 SolverSat, 296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 157 GetRequests, 78 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9917265198907953 AbsIntWeakeningRatio, 1.1123595505617978 AbsIntAvgWeakeningVarsNumRemoved, 7785.651685393258 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 813 PreInvPairs, 884 NumberOfFragments, 1911 HoareAnnotationTreeSize, 813 FomulaSimplifications, 14094 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 29754 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 37299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...